Display panel or screen with a graphical user interface



The sole FIGURE is a front view of a display panel or screen with a graphical user interface.

The outermost broken line rectangle showing a display panel or screen as well as all other broken lines showing portions of the graphical user interface are included for the purpose of illustrating portions of the article and form no part of the claimed design. 

CLAIM The ornamental design for a display panel or screen with a graphical user interface, as shown and described. 